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The nature of V861 Sco (=HD 152667)

Published online by Cambridge University Press:  12 April 2016

Ian D. Howarth  and
R. Wilson
Ian D. Howarth
Affiliation:
Dept. of Physics and Astronomy, University College London, London WC1E 6BT
R. Wilson
Affiliation:
Dept. of Physics and Astronomy, University College London, London WC1E 6BT

Abstract

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The physical parameters of the components of V861 Sco are derived from light-curve analysis and published spectroscopy. Good agreement with evolutionary models is obtained. The stellar wind is investigated using IUE data; the results include no large phase dependence of the mass loss rate and insensitivity of the velocity of the wind (measured with respect to interstellar lines) to changes in the photospheric velocity, even near the base of the wind. However, small random changes in velocity near the base of the wind are amplified to larger changes further out.

Type
Session VIII - Effects of Mass Loss on the Evolution of Binary Stars
Information
International Astronomical Union Colloquium , Volume 59: Effects of Mass Loss on Stellar Evolution , 1981 , pp. 481 - 486
Copyright
Copyright © Reidel 1981

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